【单选题】
A <{p}>option 43 sub-option 2 ip-address10.23.57.254， 10.23.57.253<{br/}><{/p}>
B <{p}>option 43 sub-option 2 ascii10.23.57.254，10.23.57.253<{br/}><{/p}>
C <{p}>option 43 sub-option 1 hex 0A1739FEOA1739FD<{br/}><{/p}>
D <{p}>option 43 hex 0A1739FEOA1739FD<{br/}><{/p}>
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